Adding my experience…..We discussed whether inside or outside the coop would be the best place for our auto door. We ended up installing on the inside because I thought it would be better protected. I overlooked how inaccessible it was. Our run is walk in height. Our coop is not (6’ tall but elevated off ground 2’). So we ended up removing it and installing on the outside of the coop in the run where I could easily get to it. I don’t manually use it very often, however, it’s so much easier to use now that I can walk right to it.